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US 6,582,838 B2Granted
Red-emitting organic light emitting devices (OLED's)
AssigneesThe Trustees of Princeton University, University of Southern California
InventorsPaul Burrows, Stephen R. Forrest, Mark E. Thompson
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Abstract
Dopant compounds of Formula I below for use in organic light emitting devices (OLED's) as device elements capable of emitting light of wavelengths associated with saturated red emissions. OLEDs utilize device elements comprising the above compounds and display devices are based on those OLED's.
Claims2
A light emitting device (LED) capable of use in an LED structure, the LED comprising:
- an emission layer, the emission layer comprising at least one receiving host compound and an emitting dopant compound having a structure represented by Formula I:
- wherein R8, R9, and R10 are each independently selected from the group consisting of hydrogen, alkyl, substituted alkyl, aryl and substituted aryl;
- R9 and R10 may be combined together to form a fused ring;
- and
- M1 is a divalent, trivalent or tetravalent metal.
2 more elements
Dependencies are inferred from the claim text.